Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Type definitions for the Microsoft Hypervisor.
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*/
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#ifndef _HV_HVGDK_EXT_H
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#define _HV_HVGDK_EXT_H
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#include "hvgdk_mini.h"
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/* Extended hypercalls */
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#define HV_EXT_CALL_QUERY_CAPABILITIES 0x8001
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#define HV_EXT_CALL_MEMORY_HEAT_HINT 0x8003
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/* Extended hypercalls */
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enum { /* HV_EXT_CALL */
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HV_EXTCALL_QUERY_CAPABILITIES = 0x8001,
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HV_EXTCALL_MEMORY_HEAT_HINT = 0x8003,
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};
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/* HV_EXT_OUTPUT_QUERY_CAPABILITIES */
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#define HV_EXT_CAPABILITY_MEMORY_COLD_DISCARD_HINT BIT(8)
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enum { /* HV_EXT_MEMORY_HEAT_HINT_TYPE */
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HV_EXTMEM_HEAT_HINT_COLD = 0,
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HV_EXTMEM_HEAT_HINT_HOT = 1,
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HV_EXTMEM_HEAT_HINT_COLD_DISCARD = 2,
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HV_EXTMEM_HEAT_HINT_MAX
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};
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/*
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* The whole argument should fit in a page to be able to pass to the hypervisor
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* in one hypercall.
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*/
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#define HV_MEMORY_HINT_MAX_GPA_PAGE_RANGES \
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((HV_HYP_PAGE_SIZE - sizeof(struct hv_memory_hint)) / \
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sizeof(union hv_gpa_page_range))
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/* HvExtCallMemoryHeatHint hypercall */
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#define HV_EXT_MEMORY_HEAT_HINT_TYPE_COLD_DISCARD 2
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struct hv_memory_hint { /* HV_EXT_INPUT_MEMORY_HEAT_HINT */
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u64 heat_type : 2; /* HV_EXTMEM_HEAT_HINT_* */
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u64 reserved : 62;
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union hv_gpa_page_range ranges[];
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} __packed;
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#endif /* _HV_HVGDK_EXT_H */
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